converting csv to xlsx

spreadSheetReader/read_write_xlsx.php

@@ -0,0 +1,29 @@
+<?php
+require $_SERVER['DOCUMENT_ROOT'] . '/spreadSheetReader/SimpleXLSX.php';
+require $_SERVER['DOCUMENT_ROOT'] . '/spreadSheetReader/SimpleXLSXGen.php';
+
+function read_xls_file($filename){
+    $fileContent = [];
+    if ($xlsx = SimpleXLSX::parse($filename)) {
+        $fileContent = ($xlsx->rows());
+    } else {
+        echo SimpleXLSX::parseError();
+    }
+    return $fileContent;
+}
+
+
+
+function write_xlsxFile($filename, $data) {
+    $xlsx = SimpleXLSXGen::fromArray($data);
+    $xlsx->saveAs($filename);
+}
+
+function download_xlsxFile($data) {
+    $xlsxArray = read_xls_file($_SERVER['DOCUMENT_ROOT'] ."/data/data.xlsx");
+    foreach ($data as $row) {
+        array_push($xlsxArray, $row);
+    }
+    $xlsx = SimpleXLSXGen::fromArray($xlsxArray);
+    $xlsx->downloadAs("data.xlsx");
+}